| RS | radioscaphoid; random sample; rating schedule; Raynaud syndrome; recipient's serum; rectal sinus; re... |
|---|---|
| AAS | Aarskog-Scott [syndrome]; acid aspiration syndrome; alcoholic abstinence syndrome; American Academy ... |
| ABS | abdominal surgery; acute brain syndrome; Adaptive Behavior Scale; admitting blood sugar; adult bovin... |
| BBS | Barolet-Biedl syndrome; bashful bladder syndrome; benign breast syndrome; bilateral breath sounds; b... |
| CCS | Canadian Cardiovascular Society; casualty clearing station; cell cycle specific; cholecystosonograph... |